Sparse Signal Representations of Bearing Fault Signals for Exhibiting Bearing Fault Features

<div>The signals obtained by the optimal complex Morlet filtering: (a) the real part of the signal filtered by the optimal Morlet wavelet transform; (b) the power spectrum of the envelope of the filtered signal.</div>

Shock and Vibration

fig13

Figure 13

Figure 13: Sparse Signal Representations of Bearing Fault Signals for Exhibiting Bearing Fault Features 